expert Set 90 Form Exercise

Number bond: 10 = ? + 8

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Answer: 2

SubType
number-bonds
Total
10
KnownPart
8
MissingPart
2
Difficulty
expert

Number bond: 8 = 7 + ?

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Answer: 1

SubType
number-bonds
Total
8
KnownPart
7
MissingPart
1
Difficulty
expert

Number bond: 10 = 4 + ?

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Answer: 6

SubType
number-bonds
Total
10
KnownPart
4
MissingPart
6
Difficulty
expert

4 = 3 + __

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Answer: 1

SubType
number-bonds
Total
4
KnownPart
3
MissingPart
1
Difficulty
expert

9 = 7 + __

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Answer: 2

SubType
number-bonds
Total
9
KnownPart
7
MissingPart
2
Difficulty
expert

Number bond: 7 = ? + 6

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Answer: 1

SubType
number-bonds
Total
7
KnownPart
6
MissingPart
1
Difficulty
expert

Number bond: 6 = 5 + ?

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Answer: 1

SubType
number-bonds
Total
6
KnownPart
5
MissingPart
1
Difficulty
expert

2 = __ + 1

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Answer: 1

SubType
number-bonds
Total
2
KnownPart
1
MissingPart
1
Difficulty
expert